Brother MFC5100C Service Manual page 104

(10) Push up the carriage PCB to unhook its lower edge from the PCB holders and remove the PCB
together with the sensor actuator support.
Unlatch the sensor actuator support from the carriage PCB.
(11) Press the right end of the purge shaft inwards and pull it out of the purge lever. The purge
lever spring also comes off.
(12) Remove the ASF-purge switching gear 23 and its spring.
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